Search for charged Higgs bosons in e(+)e(-) collisions at root s = 172 GeV
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Search for charged Higgs bosons in e(+)e(-) collisions at root s = 172 GeV

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Search for charged Higgs bosons in e(+)e(-) collisions at root s = 172 GeV

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DELPHI Collaboration; Alemany Fernández, Reyes; Cabrera Urbán, Susana Perfil; Castillo Giménez, María Victoria Perfil; Cortina Gil, Eduardo; Colomer, M.; Ferrer Soria, Antonio Perfil; Fuster Verdú, Juan A. Perfil; García García, Carmen Perfil; Hernández Rey, Juan José Perfil; Higón Rodríguez, Emilio Perfil; Lacasta Llácer, Carlos; Martínez Vidal, Fernando Perfil; Navas Concha, Sergio; Ortuño, S.; Salt Cairols, José Perfil
Aquest document és un/a article, creat/da en: 1998

Este documento está disponible también en : http://dx.doi.org/10.1016/S0370-2693(97)01543-8
This paper presents results on charged Higgs boson production, based on LEP data collected at s√=172 GeV, that complement the previous DELPHI results obtained at centre of mass energies up to 161 GeV. %The analysis is based on LEP data collected at s√=172 GeV. The charged Higgs bosons are assumed to be pair produced and to decay either into a quark pair %, identified as cs, or into τντ. The three different possible final states are included in the analysis. Data from ring imaging Cherenkov and microvertex detectors are used to identify the quarks as a cs pair. %No significant signal was found. The number of candidates found is compatible with the background expected from standard processes. Combining the results of the present analysis with those of the previous analysis at lower energies, a new lower mass limit for the charged Higgs boson is set at 54.5 GeV/c2.

    DELPHI Collaboration Alemany, R. Cabrera Urbán, Susana Castillo Giménez, María Victoria Cortina, E. Colomer, M. Ferrer Soria, Antonio Fuster Verdú, Juan A. García García, Carmen Hernández Rey, Juan José Higón Rodríguez, Emilio Lacasta Llácer, Carlos Martínez Vidal, Fernando Navas, S. Ortuño, S. Salt Cairols, José 1998 Search for charged Higgs bosons in e(+)e(-) collisions at root s = 172 GeV Physics Letters B 420 1-2 140 156
http://dx.doi.org/10.1016/S0370-2693(97)01543-8
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